Develpr guide
Can I Build Townhouses on My Property in NSW?
Townhouses sit between a duplex and an apartment block. Multiple dwellings on one site, usually two storeys, each with its own entry and courtyard.
This guide explains what typically makes a townhouse site work in NSW, how yield is estimated and what to check before you commit to a development site.
The short answer
Townhouses fall under multi dwelling housing or, where they are arranged in rows fronting the street, terrace or manor style housing. They are permitted in some residential zones and not in others, so the zone under the local environmental plan is the first check.
Where they are permitted, yield is driven by the site area, floor space ratio, height limit, setbacks, deep soil and landscaping, parking and the design requirements applying to the development type. Recent NSW housing reforms have broadened where some of these forms are permitted, but the controls still apply property by property, so the site needs to be tested rather than assumed.
What counts as a townhouse development?
In planning terms, three or more dwellings on one lot, each with its own ground level entry, is usually multi dwelling housing. If they are attached in a row and each fronts the street, terrace housing or manor houses may apply.
The distinction matters because different definitions are permitted in different zones and attract different controls, including parking, landscaping and design requirements.
Townhouses are commonly strata subdivided after construction so each dwelling can be sold separately. Torrens title townhouses are possible on some sites but need each lot to meet the subdivision standards.
Could this work on my property?
Townhouse feasibility is a yield exercise. The controls determine how many dwellings fit, and yield determines whether the project works.
- Zoning
- Multi dwelling housing must be permitted in the zone. Many low density zones do not allow it, while medium density zones generally do.
- Site area
- Councils often set a minimum site area for multi dwelling housing, and larger sites are more efficient to plan.
- Frontage
- A minimum frontage is common, and wider frontages allow better driveway and building layouts.
- Floor space ratio
- FSR usually sets the total floor area, which combined with average dwelling size gives a first estimate of yield.
- Height
- Height limits determine whether two or three storeys are achievable, which affects both yield and cost.
- Parking and driveways
- Resident and visitor parking, driveway widths and manoeuvring take up significant site area.
- Deep soil and landscaping
- Landscaped area, deep soil zones and tree canopy requirements reduce the buildable footprint.
- Amalgamation potential
- Many townhouse sites only work when two or more adjoining properties are combined.
What should be checked first?
- Whether multi dwelling housing, terraces or manor houses are permitted in the zone.
- Site area and frontage against any minimum standards for the development type.
- Floor space ratio and height limit, and the indicative yield they produce.
- Parking, driveway and waste collection requirements, which shape the layout.
- Deep soil, landscaping and tree canopy controls.
- Whether adjoining properties would materially improve the outcome.
- Site constraints including flood, bushfire, heritage, contamination and slope.
Will I need a DA or CDC?
Complying Development
A Complying Development Certificate is a fast, standards based approval. It is only available where the proposal meets every applicable requirement and the site is not excluded. Miss one standard and the pathway is gone.
Development Application
A DA is lodged with the council and assessed on its merits, with notification to neighbours in most cases. It takes longer, but it allows design that does not fit neatly inside the codes.
Townhouse and multi dwelling development is generally assessed through a Development Application, because the design, amenity and streetscape issues need merit assessment.
Some low rise housing types can be delivered under a code based pathway where every requirement is met, but this depends on the development type, the zone and the site.
Larger projects may also involve concurrence or referral to other agencies, and strata subdivision follows construction.
What can affect the opportunity?
Zoning
If the zone does not permit multi dwelling housing, no amount of site area changes the position.
Site area and frontage
Undersized or narrow sites cannot accommodate driveways, parking and compliant dwelling layouts.
Parking
Basement parking transforms cost, while at grade parking consumes the land that dwellings need.
Trees and deep soil
Canopy and deep soil requirements reduce yield, particularly on smaller sites.
Flooding
Flood affected land can limit the location of habitable floors and basement parking.
Heritage
Heritage items and conservation areas restrict both scale and form.
Neighbouring amenity
Overshadowing, privacy and bulk impacts on adjoining homes are the most common grounds for objection.
Assessing a townhouse site in one of these areas?
What should I do next?
Before buying or committing to a site, establish permissibility and indicative yield. Those two answers decide whether the rest of the work is worth doing.
If the site looks capable, a Registered Planner can test the yield against the controls and constraints and set out a realistic approval strategy.
Common questions
Can I build townhouses on my property in NSW?
Only if multi dwelling housing or a similar form is permitted in your zone. Many low density residential zones do not allow it, while medium density zones generally do. Where it is permitted, the site still needs the area, frontage, floor space and height allowance to make a compliant layout work. Recent housing reforms have expanded where some low rise forms are allowed.
How many townhouses could fit on my site?
A first estimate comes from the site area multiplied by the floor space ratio, divided by an average dwelling size. Reality is usually lower, because parking, driveways, setbacks, deep soil and landscaping all take area. Height limits and building separation matter too. A concept test by an architect or planner gives a much more reliable figure than a desktop calculation.
What land size is usually required for townhouses?
Councils commonly set a minimum site area for multi dwelling housing, and figures around 900 to 1,200 square metres are typical in established suburbs, with a minimum frontage as well. Some sites reach the threshold only by combining adjoining properties. The applicable minimum is in the local environmental plan and needs to be confirmed for the specific land.
What affects dwelling yield the most?
Floor space ratio and height set the ceiling, but parking layout, driveway design, deep soil requirements and building separation usually determine what is actually achievable. Site shape matters more than people expect. A wide, regular, level site with a good frontage will out perform an awkward site of the same area almost every time.
What parking is required for townhouse developments?
Parking rates are set by the council's development control plan and generally scale with the number of bedrooms, plus visitor spaces. Waste collection and service vehicle access also have to work. Where at grade parking cannot fit, basement parking becomes necessary, which adds substantial cost and can make smaller projects unfeasible.
What approval pathway applies to townhouses?
Most townhouse projects are assessed through a Development Application by the council, because the scale and amenity impacts require merit assessment. Some low rise housing types can be delivered through a code based pathway where every applicable standard is met. Which route is available depends on the development type, the zone and whether the site is excluded.
What should I check before buying a townhouse development site?
Permissibility in the zone, site area and frontage, floor space and height, indicative yield, parking solution, and constraints such as flood, heritage, contamination and trees. Also check servicing, easements and any covenants. Buying subject to a satisfactory planning review, or with a due diligence period, is a sensible protection if the numbers depend on yield.
Should the dwellings be strata or Torrens title?
Strata is the usual outcome for townhouses, since shared driveways and common areas make separate Torrens lots difficult. Torrens title generally achieves stronger sale prices where it is possible, so it is worth testing whether a layout with individual street or handle access could be created. The subdivision controls for the land determine which is available.
Professional review
Get professional advice for your property
Online guides explain the general position. Your property needs to be assessed against the controls that actually apply to it.
Where appropriate, a Registered Planner can review the opportunity and help you understand what may realistically be achievable.
Sources
The planning position described on this page is drawn from the following sources. The requirements that apply depend on the planning controls applying to the individual property, so always confirm the current position for your site.
- NSW Planning Portal
- NSW Planning Portal Spatial Viewer
- NSW low and mid rise housing reforms
- Apartment Design Guide (NSW)
- Environmental Planning and Assessment Act 1979
Planning content reviewed by a Registered Planner. This guide is general information only and is not planning advice for a specific property.
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